Take a proactive approach to Enterprise Linux security by implementing preventive measures against attacks-before they occur. Written by a team of Linux security experts, this hands-on resource provides concrete steps you can take immediately as well as ongoing actions to ensure long-term security. Features include examples using Red Hat Enterprise Linux AS 3.0 and Novell's SUSE Linux versions SLES8 and SLES9. Get complete details on how to systematically harden your network from the ground up, as well as strategies for getting company-wide support for your security plan.Featuring a Four-Part Hardening Methodology:Do This Now!-Important steps to take to lockdown your system from further attack Take It From The Top-Systematic approach to hardening your Linux enterprise from the top down, including network access, software accessibility, data access, storage, and communications Once Is Never Enough!-Ongoing monitoring and assessment plan to keep your network secure, including patch management, auditing, and log file scanning How To succeed At Hardening Your Linux Systems-Strategies for getting budget approval, management buy-in, and employee cooperation for your security program